Panasonic ET-ELU20 Zoom Lens Instruction Manual
- June 3, 2024
- Panasonic
Table of Contents
Panasonic ET-ELU20 Zoom Lens
Read this first!
Always follow these precautions
WARNING:
Do not look at or place your skin into the light emitted from the lens
while the projector is being used.
Doing so can cause burns or loss of sight.
- Strong light is emitted from the projector’s lens. Do not look at or place your hands directly into this light.
- Turn off the power when moving away from the projection lens or projector.
Do not project an image with the lens cover attached.
- Doing so can cause fire.
CAUTION:
Before replacing the projection lens, be sure to turn off the power and
disconnect the power plug from the wall outlet.
- Unexpected projection of light may cause injury to eyes.
- Replacing the projection lens without removing the power plug may result in electric shock.
Do not stand in front of the lens while the projector is being used.
Doing so can cause damage and burns to clothing.
- Strong light is emitted from the projector’s lens.
Do not place objects in front of the lens while the projector is being
used.
Doing so can cause fire, damage to the object, or malfunction of the lens and
projector.
- Strong light is emitted from the projector’s lens.
Do not open the desiccant bag. Do not eat the contents.
Inadvertently ingesting desiccant could be harmful.
- If the desiccant gets into your eyes or mouth, immediately rinse with plenty of water and seek medical attention.
- Keep desiccant out of the reach of children.
Hazard distance
(IEC 62471-5:2015)
The distance from the projection lens surface, at which the emission reaches
the Accessible Emission Limit (AEL) of risk group 2, is known as the hazard
distance (HD) or safety distance. The area where the emission exceeds the
Accessible Emission Limit of risk group 2 is called the hazard zone (HZ).
Within the hazard zone, never look into the light projected from the
projector. The eyes may be damaged by direct irradiation even if you look at
the light just for a moment. If you are outside the hazard zone, it is
considered to be safe in all circumstances except deliberately staring into
the light projected from the projector.
Risk group
The combination of the projector and the projection lens is categorized as
risk group 2 when the hazard distance is 1 m (39-3/8″) or less. It is
categorized as risk group 3 when the hazard distance exceeds 1 m (39-3/8″),
and it will be for professional use instead of consumer use.
In case of risk group 3, there is a possibility of damaging the eyes by direct
irradiation when looking into the projection light from inside the hazard zone
even for a moment.
In the case of risk group 2, safe use without damaging the eyes is possible in
all circumstances except deliberately staring into the light projected from
the projector.
The risk group for the combination of the projection lens and a compatible
projector is as follows.
Projector model | Risk group |
---|---|
PT-MZ880 / PT-MZ780 / PT-MZ680 | Risk group 2 |
Before Use
Supported projectors
PT-MZ880 / PT-MZ780 / PT-MZ680
Note
- This manual omits the alphabets at the end of projector model numbers.
- Models other than the above may also be supported. Refer to the operating instructions for your projector or the website (https://panasonic.net/cns/projector/).
- If the main version of the firmware of the PT-MZ880 / PT-MZ780 / PT-MZ680 is less than 1.03, this Projection lens cannot be used. Update the firmware to the latest version before use. Check the update procedure by accessing the page containing the latest information on the firmware at the website (https://panasonic.net/cns/projector/pass/).
Supplied Accessories
Make sure that the following has been provided.
Preparation
Before replacing the projection lens
Return the projection lens to the home position before replacing or removing it. For details on how to return the lens to the home position, refer to the operating instructions of the projector.
Attention
- Make sure that the projector power supply is switched off before attaching or detaching the projection lens.
- After removing the projection lens, store it safely away from vibration or impacts.
- Do not touch the electric contact points of the projection lens with your fingers. Dust and dirt on the contacts may cause contact malfunctions, while static electricity may damage the unit.
- Do not turn the gear (ring) part of the projection lens barrel by hand. Doing so may damage the motor.
- Do not touch the surface of the lens with bare hands. Finger prints and dirt on the surface of the lens will be magnified by the lens and lower the quality of the projected image. Place the supplied lens cover on the zoom lens when the projector is not in use.
- The lens is made of glass. The lens could be damaged if brought into contact with or rubbed against hard objects. Handle the lens carefully.
- Use a clean, soft and dry cloth to wipe away dust and dirt from the projection lens.
Do not use fl uffy cloths containing oil, water or dust for cleaning. The lens is easily damaged, so do not apply excessive pressure when wiping it.
Attaching the Lens / Detaching the Lens
For details on attaching or removing the projection lens, refer to the operating instructions for the projector.
Focus Adjustment
The focus balance of the center of the projected image and that of the
peripheral areas differs depending on the size of the image.
This lens is equipped with a function for adjusting the peripheral focus
balance.
Adjusting the focus
- Operate the projector to align the focus of the center of the image.
- Manually turn the peripheral focus adjustment ring as shown on the left, and align the focus of the peripheral areas of the image.
Attention
- The projected images sizes indicated on the peripheral focus adjustment ring are approximate guides.
Setting the lens type
Confirm the [LENS TYPE] setting for PT-MZ880 / PT-MZ780 / PT-MZ680. Change the setting if the type does not match this projection lens.
- Turn on the projector to start the projection.
- Press the
- Select [PROJECTOR SETUP] in the main menu and then press the
button. - Select [LENS] in the [PROJECTOR SETUP] menu and then press the
button. - The [LENS] screen appears.
- Select [LENS TYPE] on the [LENS] screen and then use the ▲▼ buttons to select [ET-ELU20].
- Press the
button.
Lens calibration
Perform lens calibration after attaching the lens.
For instructions on lens calibration, refer to “Projecting” in the operating
instructions for the projector.
Projection relationships
The dimensional relationship between the screen and the projector is shown below.
Dimensional relationship diagram
Note
- This diagram assumes that the size and position of the projected image will be adjusted so that the image fills the entire screen.
- This illustration is not drawn to scale.
L | Projection distance |
---|---|
LW | |
LT | Maximum distance |
L1 | Lens protrusion dimension |
SH | Projected image height |
H | Distance from the lens center to the lower edge of the projected image |
SW | Projected image width |
SD | Projected image size |
Dimension for L1 (approximate values)
Projector model | Dimension for L1 (approximate values) |
---|---|
PT-MZ880 / PT-MZ780 / PT-MZ680 | 0.275 |
Note
- The illustrations of projectors in this manual are for informational purposes only and do not represent a specific projector model. Configurations may vary with the model.
Attention
- To prevent blocking of the intake and exhaust vents, maintain clearances from walls and objects of at least 1 000 mm (3’3″) for the exhaust vent and at least 500 mm (1’8″) for the intake vent.
- Avoid setting up in places which are subject to sudden temperature changes, such as near an air conditioner or lighting equipment (studio lamps, etc.).
Dimensional relationship
For details on the projection distance (L), refer to “Projected image size and Projection distance” and “Projection distance formulas” in the Appendix.
Note
- For details on “Projected image size and Projection distance” for projector models other than PT-MZ880 / PT-MZ780 / PT-MZ680, refer to “Setting up” in the operating instructions of the projector.
[GEOMETRY] projection range
Projector model
| Only [KEYSTONE]
used
| [KEYSTONE] and [CURVED CORRECTION]
used together
| Only [CURVED CORRECTION] used
---|---|---|---
Vertical keystone correction angle α (°)| Horizontal keystone correction angle
β (°)| Vertical keystone correction angle α (°)| Horizontal keystone
correction angle β (°)| ****
Min. value of R2/L2
| ****
Min. value of R3/L3
| ****
Min. value of R2/L2
| ****
Min. value of R3/L3
PT-MZ880 / PT-MZ780 / PT-MZ680| ****
±5
| ****
0
| ****
–
| ****
–
| ****
–
| ****
–
| ****
–
| ****
–
Note
- When [GEOMETRY] is used, the focus of the entire screen may be lost as correction increases.
Lens shift ranges
Perform the lens position shift within the adjustment range.
Perform lens shift adjustment within the ranges shown in the following
illustrations. The focus may change when the lens position is shifted out of
the adjustment range. This is because the movement of the lens is restricted
to protect the optical parts. The following illustrations depict lens shift
ranges for floor installations of the projector.
PT-MZ880 / PT-MZ780 / PT-MZ680
Note
- The home position of the projector a point of origin position for the lens shift (i.e., vertical and horizontal positions of the lens) based on the results of lens calibration. It is not the optical center position of the screen.
Specifications
F value | 2.00 |
---|---|
Focal Length (f) | 5.43 mm (7/32″) – 5.82 mm (15/64″) |
Dimensions
| Width 170 mm (6-11/16″) Height 170 mm (6-11/16″) Depth 449 mm (17-11/16″)
Net Weight| 4.0 kg (8.82 lb)
Dimensions
Manufactured by:
Panasonic Connect Co., Ltd.
4-1-62 Minoshima, Hakata-ku, Fukuoka 812-8531, Japan
Importer:
Panasonic Connect Europe GmbH
Authorized Representative in EU:
Panasonic Testing Centre
Winsbergring 15, 22525 Hamburg, Germany
Importer for UK;
Panasonic Connect UK, a branch of Panasonic Connect Europe GmbH,
Maxis 2, Western Road, Bracknell, Berkshire, RG12 1RT
Disposal of Old Equipment
Only for European Union and countries with recycling systems
This symbol on the products, packaging, and/or accompanying documents means
that used electrical and electronic products must not be mixed with general
household waste.
For proper treatment, recovery and recycling of old products, please take them
to applicable collection points in accordance with your national legislation.
By disposing of them correctly, you will help to save valuable resources and
prevent any potential negative effects on human health and the environment.
For more information about collection and recycling, please contact your local
authority. Penalties may be applicable for incorrect disposal of this waste,
in accordance with national legislation.
Panasonic Connect Co., Ltd.
Web Site : https://panasonic.net/cns/projector/
© Panasonic Connect Co., Ltd. 2022
Panasonic Connect North America
Two Riverfront Plaza, Newark, NJ 07102
TEL: (877) 803 – 8492
Panasonic Canada Inc.
5770 Ambler Drive, Mississauga, Ontario L4W 2T3 TEL: (905) 624 – 5010
References
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